mostly_gas
Super Member
'79 Ford 1700. My shop manual says to set them cold with engine off. Owners manual says to check the clearance with engine idling, both give the same clearance.
Which is correct? And if I should do it with engine idling, anything I should know before shoving a feeler gauge in?
Which is correct? And if I should do it with engine idling, anything I should know before shoving a feeler gauge in?